public class Demo {
    String name= "我们能中国123456";
    int b=34123;
   Boolean label=false;
   char t='a';


    public void  teachChines(String c){
        System.out.println(c+"教书zhong .....");
    }


    float c = (float) 1.23;
    public static void main(String[] args){
        int number1;
        number1 = 10;
        int number2;
        number2 = 20;
        int number3;
        number3 = number1 + number2;
        System.out.println("Number3 = " + number3);
        int number4 = 50;
        int number5 = number4 - number3;
        System.out.println("Number5 = " + number5);


    }
}
